CA935319A - Pressure control systems - Google Patents

Pressure control systems

Info

Publication number
CA935319A
CA935319A CA098243A CA98243A CA935319A CA 935319 A CA935319 A CA 935319A CA 098243 A CA098243 A CA 098243A CA 98243 A CA98243 A CA 98243A CA 935319 A CA935319 A CA 935319A
Authority
CA
Canada
Prior art keywords
pressure control
control systems
systems
pressure
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA098243A
Other versions
CA98243S (en
Inventor
D. Furlong Owen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westland Group PLC
Original Assignee
Westland Aircraft Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westland Aircraft Ltd filed Critical Westland Aircraft Ltd
Application granted granted Critical
Publication of CA935319A publication Critical patent/CA935319A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/02—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being pressurised
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/0616—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow
    • G05D16/0619—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow acting directly on the obturator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1939—Atmospheric
    • Y10T137/2012—Pressure
CA098243A 1969-12-09 1970-11-16 Pressure control systems Expired CA935319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB59982/69A GB1275660A (en) 1969-12-09 1969-12-09 Improvements in or relating to pressure control systems

Publications (1)

Publication Number Publication Date
CA935319A true CA935319A (en) 1973-10-16

Family

ID=10484791

Family Applications (1)

Application Number Title Priority Date Filing Date
CA098243A Expired CA935319A (en) 1969-12-09 1970-11-16 Pressure control systems

Country Status (6)

Country Link
US (1) US3706270A (en)
CA (1) CA935319A (en)
DE (1) DE2055879A1 (en)
FR (1) FR2082984A6 (en)
GB (1) GB1275660A (en)
SE (1) SE362514B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380893A (en) * 1981-02-19 1983-04-26 The Garrett Corporation Compressor bleed air control apparatus and method
US4463897A (en) * 1982-03-18 1984-08-07 The Garrett Corporation Cooling control system apparatus and method
US4773307A (en) * 1987-05-04 1988-09-27 United Technologies Corporation Method and apparatus for preventing cabin depressurization
DE4231374A1 (en) * 1992-09-21 1994-03-24 Gastechnic Prod Vertriebges Method and device for controlling a gas flow
US7101277B2 (en) * 2003-07-22 2006-09-05 Honeywell International, Inc. Control system and method for controlling aircraft cabin altitude during aircraft operations above maximum certified aircraft altitude
GB2416382A (en) * 2004-07-17 2006-01-25 Nicholas Bridge Combined pressure regulation and relief valve
DE102006057549B4 (en) * 2006-12-06 2010-06-24 Nord-Micro Ag & Co. Ohg Control unit for actuating a pressure valve, in particular a differential pressure valve of an aircraft cabin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631262A (en) * 1925-02-05 1927-06-07 Gourdou Charles Edouard Pierre Variable-pressure-operated expansion device

Also Published As

Publication number Publication date
US3706270A (en) 1972-12-19
SE362514B (en) 1973-12-10
GB1275660A (en) 1972-05-24
DE2055879A1 (en) 1971-06-16
FR2082984A6 (en) 1971-12-10

Similar Documents

Publication Publication Date Title
CA920897A (en) Pressure fluid operated control system
CA933026A (en) Pressure control systems
CA945980A (en) Valve systems
CA925993A (en) Control system
CA944005A (en) Control systems
CA935319A (en) Pressure control systems
CA925597A (en) Total-regulation control system
CA936067A (en) Hydraulic control systems
CA938466A (en) Control system
AU1540370A (en) Irrigation control system
CA934037A (en) Numerical control systems
CA918709A (en) Pressure control valve
CA803819A (en) Pressure control systems
CA808818A (en) Pressure control systems
CA967663A (en) Control system
CA811487A (en) Fluid pressure control system
CA839047A (en) Pressure control systems
CA821865A (en) Control system for high pressure control fluid
CA820091A (en) Fluid-operated control system
CA828548A (en) Dust-fume control system
CA813080A (en) Control system
CA828412A (en) Control system
CA819905A (en) Control system
CA920675A (en) Control system
CA817718A (en) Control system